Flatulence in infants and young children may be caused by swallowing more air, eating too much gas-producing food supplements, indigestion, etc. It can be handled by changing the way of breastfeeding, adjusting the diet structure, abdominal massage and medication. 1. Swallowing more air: infants and young children suck too quickly during feeding or the gap between the mouth and the nipple, the mouth of the bottle is relatively large, swallowing more air during feeding will cause flatulence, adjusting the feeding position during feeding to avoid swallowing air may improve the symptoms, swallowing too much gas to the child’s back to burp, through the mouth to expel the swallowed gas. 2. Eat too much gas-producing food: 4~6 months after the infant added complementary foods, eat more easy to gas-producing food, such as sweet potatoes, soy milk, etc., may appear flatulence, to improve eating habits, try not to eat too much gas-producing food, choose lighter, easy to digest food. 3. Indigestion: infants and young children with imperfect gastrointestinal function development, gastrointestinal function is relatively weak, eating too much will exceed the range of gastrointestinal digestive function, so that the baby appeared the symptoms of flatulence, give the baby a clockwise massage of the abdomen to promote intestinal excretion, but also under the guidance of the doctor with xylomethylsiloxane to promote the excretion of oral bifidobacterium and other probiotic regulating intestinal flora. There are many other causes of flatulence in infants and young children, and it is recommended to consult a doctor in time to avoid delays.